main(void)
{
InitKernel(TIMESLICE, AtInterrupt);
if( CreateProcess("P1", P1) == -1)
{
// Fel, ingen process skapades
ExitKernel();
}
if( CreateProcess("P2", P2) == -1)
{
// Fel, ingen process skapades
ExitKernel();
}
if( CreateProcess("P3", P3) == -1)
{
// Fel, ingen process skapades
ExitKernel();
}
// StartKernel();
StartKernelForSim();
}
int main(){
int * first_swi_instruction_address = (int *)(0x8);
int * swi_call_entry_address = (int *)(0x20);
// The first thing on the stack, is going to be the sp value we always want a kernel function to start wtih.
int * kernel_saved_sp_loc = (int *)(KERNEL_STACK_START);
void (*swi_entry)() = asm_SwiCallEntry;
*swi_call_entry_address = (int)swi_entry;
// 1110(always) 010 (load/store immediate ) 1(offset based) 0(subtracted from base) 0(word access) 0(not updating base) 1(load) 1111(r15) 1111(r15) 0000 0000 0000
//
/* From the doc: 'If R15 is specified as register Rn, the value used is the address of the instruction plus eight.
* ' WHAT??? WHY??? I WASTED A WHOLE DAY BECAUSE OF THIS!!!
*
* LRD PC [PC, #-4]*/
*first_swi_instruction_address = 0xE51FF004;
first_swi_instruction_address++;
// Put the address of the fcn here
*first_swi_instruction_address = (int)&asm_SwiCallEntry;
// Initialize the value of the saved kernel stack pointer that we will load every time we do an SWI call
*kernel_saved_sp_loc = (int)(KERNEL_STACK_START - sizeof(KernelState));
InitKernel();
return 0;
}
int main(void)
{
InitKernel();//Initialize all kernel data structures
USERMODE; //Switch to user mode
mymain(); //Now call what you would normally call main()
return 0;
}
